• BQ2000EVM: Configuration Inquiry

  

  Renan Santos Adriano

  TI Thinks Resolved

  Part Number: BQ2000EVM Other Parts Discussed in Thread: BQ2000 Hi Team, My Customer is working with BQ2000EVM, he found that red LED permanently ON. When he removed the Li-Ion pack, the red LED still remains permanently ON. Is this correct? Because in…

  • over 5 years ago
  • Power management
  • Power management forum
Answered

• BQ2000EVM: NiMH Peak Voltage bigger than 3.8mV per cell

  

  user498303610

  Resolved

  Part Number: BQ2000EVM Other Parts Discussed in Thread: BQ2000 Hello everyone, We are testing the BQ2000EVM board in a 6-series NiMH configuration. The board is brand new, and the settings are the following: *J1: 13VDC *J2: BAT+ and BAT- connected to Battery…

  • Resolved

  • over 5 years ago
  • Power management
  • Power management forum

• BQ2000EVM: IF BQ2000EVM can work in Vdc 7.5V~10V?

  

  Chen Bogey8

  TI Thinks Resolved

  Part Number: BQ2000EVM Hi Sir IF BQ2000EVM can work in Vdc 7.5V~10V(EVB spec is need over 10V) to charger 4.8V NiMH battery? If yes, may we know how to modify? Bogey

  • over 7 years ago
  • Power management
  • Power management forum
Answered

• BQ2000EVM: Inductor Question.

  

  Jerry Chu

  Resolved

  Part Number: BQ2000EVM Other Parts Discussed in Thread: BQ2000 , Hi Expert, In my opinion, charger most like buck solution, that I can calculate bq2000's inductor like bukc IC. Right? But why it use 100uH, not 220uH. (for 4S Li-Ion) BTW, does it possible…

  • Resolved

  • over 7 years ago
  • Power management
  • Power management forum
Answered

• BQ2000EVM: charging 3 NiMH batteries cuts off too soon

  

  craig spanza

  Resolved

  Part Number: BQ2000EVM For a 3 cell NiMH battery I set J5 to be a 374k resistor and powered the circuit with a 6 volt power supply. Charging seems to cut off at about 1v per cell leaving the batteries mostly empty. I need to power this chip with 6 volts…

  • Resolved

  • over 8 years ago
  • Power management
  • Power management forum
Answered

• BQ2000: BQ2000 input voltage for 3s NiMH

  

  Charlie Zhang

  Resolved

  Part Number: BQ2000 Hi sir, How can I caculate the input voltage of BQ2000 for 3s NiMH application? Could it be lower than 7.5V? It can work only above 9.5V with the BQ2000EVM Even if I changed the Cf,Rf,and L1. Thanks!

  • Resolved

  • over 2 years ago
  • Power management
  • Power management forum

• RE: BQ2000: BQ2000PN-B5: Do I need to add a gate resistor?

  

  Linhong Qin

  Hi Tom, Please refer to this document for reference design. MOSFET is also a part of the calculation, I recommend to test out timing/transient behavior on your board first, then you will have a better estimation. BQ2000EVM (ti.com) Best Regards, Linh…

  • over 2 years ago
  • Power management
  • Power management forum
Answered

• TIDA-00026: TIDA-00026, BQ2000 EVM

  

  Vadym Vasylyshyn

  Resolved

  Part Number: TIDA-00026 Other Parts Discussed in Thread: BQ2000EVM Can someone please tell me what is the difference between TIDA-00026 (shows unavailable to order) and BQ2000EVM?

  • Resolved

  • over 4 years ago
  • Simulation, hardware & system design tools
  • Simulation, hardware & system design tools forum

• RE: NiMH charger

  

  Vadym Vasylyshyn

  I'm looking into BQ2000EVM. Will this work?

  • over 4 years ago
  • Power management
  • Power management forum

• BQ2000T: Switching frequency formula doesn't appear to match actual device performance

  

  Scott Brenneman

  Part Number: BQ2000T Other Parts Discussed in Thread: BQ2000 , BQ2000EVM Hello, In the document "Using the bq2000/T to Control Fast Charge" there is a formula on page 4 for maximum switching frequency: Rf * Cf = 1 / (4 * F). When I look at the…

  • over 4 years ago
  • Power management
  • Power management forum

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